Unusual puzzles take difficulty to new heights, asking puzzlers of all skill levels to condition their brain cells, test their mental endurance, and flex their smarts.

This newest addition to the Train Your Brain collection includes 156 unique visual puzzles in a variety of styles that will stretch, engage, and entertain.

These puzzles go beyond your average word search or crossword and include brainteasers, binarios, golf mazes, letter blocks, anagrams, word pyramids, connects, doodle puzzles, sudoku, and more.